December weather forecastMustang, OK
December
Weather in December
December brings in the full brunt of winter to Mustang, lowering temperatures significantly compared to November. The weather permits temperatures as low as 33.3°F (0.7°C), while the highest seldom exceeds 48.9°F (9.4°C), making December one of the coldest months. Despite the predominant chill, there is a fair share of sunshine to keep the days slightly warmer. The first flutters of snow make their appearance by month-end, setting the tone for the wintry weeks ahead. The short daylight hours too reiterate the unfolding winter season.Temperature
Mustang's progression into December includes a drop in the average high-temperature, from a mild 59.5°F (15.3°C) in November to a chilly 48.9°F (9.4°C). Throughout December, the average low-temperature dips to a wintry 33.3°F (0.7°C).Humidity
The average relative humidity in December in Mustang, Oklahoma, is 67%.Rainfall
December is the month with the least rainfall. Rain falls for 5.6 days and accumulates 0.83" (21mm) of precipitation.Snowfall
Months with snowfall in Mustang are January through April, November and December. In Mustang, in December, snow falls for 1.9 days, with typically accumulated 0.71" (18mm) of snow. Throughout the year, there are 8.4 snowfall days, and 3.98" (101mm) of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:22 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:28 pm CST.
Sunshine
With an average of 6.1h of sunshine, December has the least sunshine of the year.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 2 during December translates into the following guidance:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mustang, OK
- Average high temperature in December: 48.9°F
The warmest month (with the highest average high temperature) is July (93.4°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in December: 33.3°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in December
Mustang, OK
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Mustang, OK
- Average wind speed in December: 10.5mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in December
Mustang, OK
- Average humidity in December: 67%
The month with the highest relative humidity is May (72%).
The month with the lowest relative humidity is August (58%).
Average rainfall in December
Mustang, OK
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is December (0.83").
Average rainfall days in December
Mustang, OK
- Average rainfall days in December: 5.6 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (4.4 days).
Average snowfall in December
Mustang, OK
- Average snowfall in December: 0.71"
The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Mustang, OK
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mustang, OK
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 6h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in December
Mustang, OK
- Average sunshine days in December: 23.5 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is May (14.1 days).
Average UV index in December
Mustang, OK
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Mustang, OK
- Average cloud cover in December: 30
The month with the most cloud cover is March (Cloud cover 36).
The months with the least cloud cover are June and August (Cloud cover 19).
Average visibility in December
Mustang, OK
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
